src/mesa/main/accum.h

   1 /**
   2  * \file accum.h
   3  * Accumulation buffer operations.
   4  *
   5  * \if subset
   6  * (No-op)
   7  *
   8  * \endif
   9  */
  10
  11 /*
  12  * Mesa 3-D graphics library
  13  *
  14  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
  15  *
  16  * Permission is hereby granted, free of charge, to any person obtaining a
  17  * copy of this software and associated documentation files (the "Software"),
  18  * to deal in the Software without restriction, including without limitation
  19  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  20  * and/or sell copies of the Software, and to permit persons to whom the
  21  * Software is furnished to do so, subject to the following conditions:
  22  *
  23  * The above copyright notice and this permission notice shall be included
  24  * in all copies or substantial portions of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  28  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  29  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  30  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  31  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  32  * OTHER DEALINGS IN THE SOFTWARE.
  33  */
  34
  35
  36
  37 #ifndef ACCUM_H
  38 #define ACCUM_H
  39
  40 #include "main/glheader.h"
  41
  42 struct gl_context;
  43
  44 extern void GLAPIENTRY
  45 _mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
  46 void GLAPIENTRY
  47 _mesa_Accum( GLenum op, GLfloat value );
  48
  49 extern void
  50 _mesa_clear_accum_buffer(struct gl_context *ctx);
  51
  52 extern void
  53 _mesa_init_accum( struct gl_context *ctx );
  54
  55 #endif /* ACCUM_H */